Home / 380,393,462.38-570,191,954.47-159,191,538.81

Finding the Fourth Proportional to 380,393,462.38, 570,191,954.47 and 159,191,538.81

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Solution

The fourth proportional to 380,393,462.38, 570,191,954.47 and 159,191,538.81 is: 238,620,648.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,393,462.38 : 570,191,954.47 = 159,191,538.81 : x
  2. Step 2: Convert to fraction form
    380,393,462.38/570,191,954.47 = 159,191,538.81/x
  3. Step 3: Cross multiply
    380,393,462.38x = 570,191,954.47 × 159,191,538.81
  4. Step 4: Simplify right side
    380,393,462.38x = 90,769,734,649,160,768
  5. Step 5: Solve for x
    x = 90,769,734,649,160,768/380,393,462.38
  6. Step 6: Final answer
    x = 238,620,648.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.